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TGFbeta-mediated signaling and transcriptional regulation in pancreatic development and cancer

机译:TGFbeta介导的胰腺发育和癌症中的信号传导和转录调控

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摘要

Transforming growth factor-beta (TGFbeta) plays a critical role in pancreatic development and cell proliferation. Binding of TGFbeta to its membrane receptor kinases activates the Smad signaling proteins, allowing them to translocate to the nucleus and participate in the transcriptional control of TGFbeta target genes. In addition, there is an increasing number of cellular mechanisms affecting the final response of a cell to TGFbeta. This includes crosstalk with other signaling pathways and the induction of TGFbeta early response genes, such as the TGFbeta-inducible early response gene (TIEG) family of transcription factors. Like the Smads, TIEGs behave as downstream effector proteins in TGFp-mediated pancreatic growth control. The discovery of the Smads and TIEGs has provided new insights into TGFbeta-regulated functions. Their significance in pancreatic development and cancer is discussed in this review.
机译:转化生长因子-β(TGFbeta)在胰腺发育和细胞增殖中起关键作用。 TGFbeta与其膜受体激酶的结合激活了Smad信号蛋白,使它们能够转运至细胞核并参与TGFbeta目标基因的转录控制。另外,影响细胞对TGFβ的最终反应的细胞机制越来越多。这包括与其他信号通路的串扰和TGFbeta早期反应基因(如TGFbeta诱导的早期反应基因(TIEG)转录因子家族)的诱导。像Smads一样,TIEG在TGFp介导的胰腺生长控制中作为下游效应蛋白。 Smads和TIEG的发现为TGFbeta调节的功能提供了新的见解。在这篇综述中讨论了它们在胰腺发育和癌症中的重要性。

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